<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>检查类型</title>
  <script src="../../src/object/myInstanceOf.js"></script>
</head>
<body>
  <script>
    function Person(){};
    let p = new Person;
    console.log(p instanceof Person);
  </script>
</body>
</html>